flowsn.流量名词flow的复数形式.flown.流动；涨潮；流；流量vi.流动；涌出；飘动；流畅vt.淹没flowingnessn.流动；如流flow nipple油嘴,节流嘴flow-typeadj.流动式的；气流式的flow patter流型flow harden冷变形硬化flow minder流量指示器flow partem流型flow-back[化] 回流flow regime水流体系flow switch气流换向器,流量开关

1. As the plates separate, hot molten mantle material flows up to fill the void.
   随着板块的分开，炽热的熔融地幔物质向上流动，以填充空隙。
2. But black upward mobility consists largely of people from poor families moving up.
   但是黑人在社会阶层上的向上流动大多都限于摆脱贫困的状态。